Glossary
Endothelium: Inner layer of blood vessels.Hemorrhage: This is a condition of excessive bleeding resulting from damage to the blood vessels.
Mutations: Any change in the DNA of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial, or have no effect.
Congenital: A term used to describe a condition or trait that is present since birth.
